My son is 4 years old but he is a very big kid. I bought them small and they were too cozy. He woke up sick from the elastic around his waist. He wears a size 6/7 shirt and is about the height of a 7 year old so a medium size fits him perfectly.
π¦ ViCherub Boys' Black Large Underwear - Pack of 3 | Boys' Clothing Collection
42 Review
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57 Review
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64 Review
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45 Review